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Elon Musk

One year after Elon Musk rolled out the Powerwall: The real price is 60 to 80 percent more than Musk claimed. A handful (yes, I mean about five) have actually been installed in Germany and Australia. None in the U.S. so far.

With all the talk of the “existential threat” to traditional utilities from solar and other disruptive technologies (and the blowback against net metering in various states), I thought I’d check out SolarCity first hand.

Elon Musk’s appearance at the Edison Electric Institute’s annual convention was a “wind of change” moment.

The industry is coming to terms, or trying to come to terms, with new forces that are challenging it as a business proposition in a way that it hasn’t been challenged in a history of more than 100 years.

Plenty of people do, judging from the reaction to Elon Musk’s media event announcing “Powerwall,” a home battery system. Powerwall would join SolarCity in Elon’s double trouble for the utility industry (when he isn’t building cars and colonizing Mars).

Do you believe in magic?

Plenty of people do, judging from the reaction to Elon Musk’s media event announcing “Powerwall,” a home battery system. Powerwall would join SolarCity in Elon’s double trouble for the utility industry (when he isn’t building cars and colonizing Mars).